The fascinating story of John Harrison who, in the 18th century, believed he could make a clock that would work on board a ship—and so solve the problem of finding longitude at sea.

Genres

Cast

Michael Gambon

John Harrison

Jeremy Irons

Rupert Gould

Gemma Jones

Elizabeth Harrison

Anna Chancellor

Muriel Gould

Barbara Leigh-Hunt

Dodo Gould

Peter-Hugo Daly

John Jefferies

Alec McCowen

Sir Frank Dyson